CN110340833A - The striking gear of ratchet spanner - Google Patents
The striking gear of ratchet spanner Download PDFInfo
- Publication number
- CN110340833A CN110340833A CN201810296823.1A CN201810296823A CN110340833A CN 110340833 A CN110340833 A CN 110340833A CN 201810296823 A CN201810296823 A CN 201810296823A CN 110340833 A CN110340833 A CN 110340833A
- Authority
- CN
- China
- Prior art keywords
- ratchet
- block
- tug
- shifting part
- top tug
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B13/00—Spanners; Wrenches
- B25B13/46—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle
- B25B13/461—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member
- B25B13/468—Spanners; Wrenches of the ratchet type, for providing a free return stroke of the handle with concentric driving and driven member with possibility of locking the ratchet mechanism
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
Direction of rotation can be changed by the effect of ratchet block and striking gear in the ratchet of a kind of striking gear of ratchet spanner, the ratchet spanner, which includes shifting part and a spring and a moving part set on its inside；The moving part is acted on by the elastic force of the spring and is protruded into the top tug slot of the ratchet block；The shifting part includes a top tug block, and respectively there are top tug angle in the two sides of top tug block；The shifting part by the left, stir to the right when, thrust is applied to by the ratchet block by top angle of pulling, it is ensured that the ratchet block follows the shifting part to have splendid responsiveness on changing to position.
Description
Technical field
The present invention is related with ratchet spanner, is the striking gear about ratchet spanner capable of reversing in more detail.
Background technique
Such as Fig. 8, Fig. 9, Figure 10, existing ratchet spanner capable of reversing, the inside that structure is generally included in Wrench head 1 sets one
Ratchet 2 and a ratchet block 3, a switch unit 4 is to control the ratchet block 3.The switch unit 4 generally comprise shifting part 5 and
The spring 6 and moving part 7 being located therein.Moving part 7 is acted on by the elastic force of spring 6 and protrudes outside the shifting part 5 and protrude into the spine
In the top tug slot 8 of tooth block 3.The left and right switch of shifting part 5 keeps the moving part 7 corresponding with the direction of the ratchet block 3 and position generation
Change, to change the rotation direction of ratchet 2.
Above-mentioned conventional example there is a problem of following:
First, when shifting part 5 turns round, moving part 7 could successfully stir the ratchet block 3, key be the spring 6 and its
Elastic force.In existing case, when spring 6 is as the chief of stress and force, it is easy for the problem of elastic fatigue occur.When
The reduction of 6 force value of spring, moving part 7 can not provide ratchet block 3 top appropriate tug power, can be seen that from Fig. 8 to Figure 10, when stirring
When part 5 turns round from left to right, for moving part 7 there is no ratchet block 3 is successfully allocated to the right from the left side, which is edge
The top tug slot 8 of ratchet block 3 slide, switch unit 4 is invalid idle running, the failure of ratchet commutation function.
Second, when 6 force value of spring weakens, and 7 inability of moving part pushes up tug ratchet block 3, which i.e. cannot be by moving part
7 effectively limitation, the active forces or reaction force for operating ratchet spanner may reach the ratchet block 3 by the ratchet 2, so that
In occur ratchet 2 drive the improper displacement of ratchet block 3 situation, ratchet spanner can happen suddenly improper commutation the problem of, make operate spine
The direction of its operative orientation and revolution reset can not be effectively controlled when wheel spanner.
Summary of the invention
Technical problem underlying to be solved by this invention is, overcomes drawbacks described above of the existing technology, and provides one
The striking gear of kind ratchet spanner, can ensure that moving part effectively activates the structure of ratchet block.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of striking gear of ratchet spanner, the ratchet spanner include set on the ratchet and a spine for being set to its Wrench head
The ratchet of tooth block, the ratchet and the ratchet block is engaged with each other；The striking gear includes being set in the Wrench head single-revolution space
A shifting part and a spring and a moving part inside the shifting part: the moving part by the spring elastic force effect and
It protrudes the shifting part and protrudes into a top tug slot of the ratchet block；It is characterized by: the striking gear further includes top tug structure；
Top tug structure includes the top tug block for being separately formed in the contact angle of top tug slot two sides, and taking shape in the shifting part, should
Respectively there are top tug angle in the two sides of top tug block；The shifting part by the left, stir to the right when, the angle shifting part is pulled for thrust by the top
The side wall and the contact angle for being applied to top tug slot are transferred to the ratchet block in turn.
Effect of the invention:
The shifting part is applied to top tug groove sidewall by top tug angle by the strength of switch and the contact angle transmits
To the ratchet block.
When the shifting part is by switch, thrust is in the ratchet block there are two meetings, wherein a thrust is led to by the moving part
It crosses the cell wall of top tug slot and is applied to the ratchet block, another thrust is to pass through the side wall of top tug slot by top tug block and be somebody's turn to do
Contact angle and be applied to the ratchet block.Two thrusts are in the ratchet block, it is ensured that the ratchet block follows the shifting part to position
There is splendid responsiveness in change, ensure that the ratchet commutation function of the ratchet spanner.
When the top tug block with the side ejection ratchet block when, the top pull block the other side and the ratchet block be it is non-interference,
To ensure that the lateral thrust of top tug block is entirely applied to the side of the ratchet block.
The present invention has specifically dispersed the stress of the spring, the time of elastic fatigue generation can be delayed, in longer use
Between middle its due value of elastic of holding.
The invention has the advantages that it can ensure that moving part effectively activates the structure of ratchet block.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the stereogram exploded view of ratchet spanner of the present invention.
Fig. 2 is the combination section and action schematic diagram one of ratchet spanner of the present invention.
Fig. 3 is the combination section and action schematic diagram two of ratchet spanner of the present invention.
Fig. 4 is the combination section and action schematic diagram three of ratchet spanner of the present invention.
Fig. 5 is the combination section and action schematic diagram four of ratchet spanner of the present invention.
Fig. 6 is the combination section and action schematic diagram five of ratchet spanner of the present invention.
Fig. 7 is the enlarged drawing in the area Quan Shi shown in Fig. 3.
Fig. 8 is the sectional view and action schematic diagram one of existing ratchet spanner capable of reversing.
Fig. 9 is the sectional view and action schematic diagram two of existing ratchet spanner capable of reversing.
Figure 10 is the sectional view and action schematic diagram three of existing ratchet spanner capable of reversing.
Figure label explanation:
1- Wrench head 2- ratchet
3- ratchet block 4- switch unit
5- shifting part 6- spring
The top 7- moving part 8- tug slot
10- Wrench head 11- ratchet space
12- ratchet 13- tooth block space
14- ratchet block 15- rotary space
The top 16- tug slot 161- left side wall
162- right side wall 20- striking gear
21- shifting part 22- spring
23- moving part 24- driving lever
The top 30- tug structure 31- top tug block
The top 32- tug angle 33- contact angle
40- sealing plate 41- retaining ring
Specific embodiment
As shown in Figure 1, Figure 2, present invention ratchet spanner capable of reversing, including driving end is assembled in by sealing plate 40 and latch closure 41
A ratchet 12 in 10 1 ratchet space 11 of portion, set on a ratchet block 14 of the 10 1 tooth block space 13 of Wrench head, the ratchet
12 and the ratchet of the ratchet block 14 be engaged with each other.
The Wrench head 10 further includes a striking gear 20.The striking gear 20 includes a shifting part 21 and sets in the inner
One spring 22 and a moving part 23 in portion.The rotatable single-revolution space 15 for being positioned at the Wrench head 10 of the shifting part 21
In, which has a driving lever 24, which is located at the outside of the Wrench head 10, and for user's contact and switch is somebody's turn to do
Shifting part 21, the shifting part 21 are stirred by user and can turn to the left or to the right (such as Fig. 2 to figure in the rotary space 15
6).The moving part 23 is acted on by the elastic force of the spring 22 and protrudes outside the shifting part 21 and protrude into a top tug slot 16 of the ratchet block
In.
Such as Fig. 3 and Fig. 7, which further includes top tug structure 30.Top tug structure 30 includes taking shape in this to stir
One top tug block 31 of part 21, respectively there are top tug angle 32 in top tug 31 two sides of block.Top tug structure 30 further includes taking shape in top tug
The contact angle 33 that 16 two sides of slot are arc-shaped.
Such as Fig. 2 to Fig. 6, the direction for making the moving part 23 and the ratchet block 14 is stirred in the left and right of the shifting part 21 and is produced from position
Raw corresponding change, to change the rotation direction of ratchet 12.According to the sequence of view direction and Fig. 2 to Fig. 6, the shifting part 21
It is switch from left to right, anti-is also feasible.Such as Fig. 2, under a stationary state, the left side of 23 ejection of moving part top tug slot 16
Wall 161, the ratchet block 14 are located at the left side of tooth block space 13, which can rotate clockwise.Such as Fig. 3, Fig. 7, the shifting part
21 by the initial of switch to the right, the right side wall 162 of top tug 32 ejection of angle top tug slot 16 on 31 right side of top tug block, the ratchet block
14 have complied with ejection and have had the gesture to move right.Such as Fig. 4, which continues by switch to the right, the moving part 23 along
The cell wall of top tug slot 16 slides, and the contact angle 33 on the right side of top tug 32 ejection of angle on right side, the ratchet block 14 complies with ejection
And it moves right.Such as Fig. 5, when the shifting part 21 continues by among the cell wall of switch to 23 ejection of moving part top tug slot 16,
Top tug block 31 does not contact the ratchet block 14.Such as Fig. 6, when shifting part 21 by switch to the right when, 23 ejection of moving part top tug
The right side wall 162 of slot 16, the ratchet block 14 are successfully moved to the right side of the tooth block space 13, which can rotate counterclockwise.
When the shifting part 21 is by switch, meeting acts on the ratchet block 14 there are two ejection force, wherein a thrust is the spring
22 elastic force is applied to the ratchet block 14 by the moving part 23, and another ejection force is to pass through top tug slot by top tug block 31
16 side wall 161,162 and the contact angle 33 and be applied to the ratchet block 14.Two thrusts are in the ratchet block 14, it is ensured that
The ratchet block 14 follows the shifting part 21 to have splendid responsiveness on changing to position, ensure that the ratchet 12 of the ratchet spanner changes
It is achieved to function.
Referring again to Fig. 2 to Fig. 6, when top tug block 31 is with the side ejection ratchet block 14, pull the another of block 31 on the top
Side and the ratchet block 14 be it is non-interference, to ensure that the lateral thrust of top tug block 31 is entirely applied to the side of the ratchet block 14
Side.
In the present invention, top tug block 31 is applied by the side wall 161,162 and the contact angle 33 of top tug slot 16
Lateral thrust is in the ratchet block 14, this designs the stress situation for having dispersed the spring 22, and spring 22 of the invention is i.e. non-existing
Main force and stress component described in example, therefore, the present invention delays the time of elastic fatigue generation, uses the time longer
Middle its due value of elastic of holding.By Fig. 2, Fig. 5, Fig. 6 it is found that when shifting part 21 turns round from left to right, and successfully make ratchet block
14 by moving to left to the right when, which pulls the top of block 31 and the spacing of ratchet block 14 occur it is apparent change, to illustrate this change,
It with horizontal line L 1 by the top of the moving part 23, is pulled the top of block 31 with horizontal line L 2 by the top, in Fig. 2 between L1 and L2
Away from for d1, the spacing of L1 and L2 is d2 in Fig. 5, and the spacing of L1 and L2 is that d3 can be deduced by the variation of d1, d2 and d3 in Fig. 6
The reduction length of the spring 22 will difference, indicate that the spring 22 has good elastic force to show in the present invention.Present invention tool
Body solves the first problem of existing case.
In addition, the elastic force when spring 22 is kept, which can effectively push up tug ratchet block 14, keep the ratchet block
14 position；The active force or reaction force for operating ratchet spanner cannot reach the ratchet block 14, spine by the ratchet 12
Wheel spanner will not happen suddenly improper commutation the problem of, make operate ratchet spanner when can be effectively controlled its operative orientation and revolution reset
Direction.The present invention specifically solves the Second Problem of existing case.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, it is all
It is any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention, still falls within
In the range of technical solution of the present invention.
Claims (2)
1. a kind of striking gear of ratchet spanner, which includes set on the ratchet and a ratchet set on its Wrench head
The ratchet of block, the ratchet and the ratchet block is engaged with each other；The striking gear includes being set in the Wrench head single-revolution space
One shifting part and a spring and a moving part inside the shifting part；The moving part by the spring elastic force effect and it is convex
Out the shifting part and protrude into the ratchet block one top tug slot in；It is characterized by:
The striking gear further includes top tug structure；
Top tug structure includes the top tug for being separately formed in the contact angle of top tug slot two sides, and taking shape in the shifting part
Respectively there are top tug angle in block, the two sides of top tug block；The shifting part by the left, stir to the right when, pass through the top pull the angle shifting part
Thrust is applied to the side wall of top tug slot and the contact angle is transferred to the ratchet block in turn.
2. a kind of striking gear of ratchet spanner, which includes set on the ratchet and a ratchet set on its Wrench head
The ratchet of block, the ratchet and the ratchet block is engaged with each other；The striking gear includes being set in the Wrench head single-revolution space
One shifting part and a spring and a moving part inside the shifting part；The moving part by the spring elastic force effect and it is convex
Out the shifting part and protrude into the ratchet block one top tug slot in；It is characterized by:
The striking gear further includes top tug structure:
Top tug structure includes the top tug block for taking shape in the shifting part, and respectively there are top tug angle in the two sides of top tug block；This is stirred
Part by the left, stir to the right when, by the top pull the angle shifting part by thrust be applied to the top pull slot side wall be transferred to
The ratchet block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810296823.1A CN110340833A (en) | 2018-04-04 | 2018-04-04 | The striking gear of ratchet spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810296823.1A CN110340833A (en) | 2018-04-04 | 2018-04-04 | The striking gear of ratchet spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110340833A true CN110340833A (en) | 2019-10-18 |
Family
ID=68173791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810296823.1A Pending CN110340833A (en) | 2018-04-04 | 2018-04-04 | The striking gear of ratchet spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110340833A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2532945Y (en) * | 2002-02-09 | 2003-01-29 | 胡厚飞 | Improved change-over ratchet spanner |
| US6711973B2 (en) * | 2002-03-19 | 2004-03-30 | Hand Tool Design Corporation | Ratchet wrench |
| US20040200322A1 (en) * | 2003-04-14 | 2004-10-14 | Bobby Hu | High-torque reversible ratcheting wrench |
| CN1590028A (en) * | 2003-08-27 | 2005-03-09 | 陈泰佐 | Ratchet wrench |
| CN104416509A (en) * | 2013-08-26 | 2015-03-18 | 爱德华·维勒有限及两合公司 | Ratcheting tool with fine toothing |
| US20160046013A1 (en) * | 2014-08-14 | 2016-02-18 | Yung-Chih Chen | Ratchet wrench tool set |
| CN105729358A (en) * | 2014-12-10 | 2016-07-06 | 陈家佑 | Ratchet wheel wrench structure capable of improving positioning effect of ratchet |
-
2018
- 2018-04-04 CN CN201810296823.1A patent/CN110340833A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2532945Y (en) * | 2002-02-09 | 2003-01-29 | 胡厚飞 | Improved change-over ratchet spanner |
| US6711973B2 (en) * | 2002-03-19 | 2004-03-30 | Hand Tool Design Corporation | Ratchet wrench |
| US20040200322A1 (en) * | 2003-04-14 | 2004-10-14 | Bobby Hu | High-torque reversible ratcheting wrench |
| CN1590028A (en) * | 2003-08-27 | 2005-03-09 | 陈泰佐 | Ratchet wrench |
| CN104416509A (en) * | 2013-08-26 | 2015-03-18 | 爱德华·维勒有限及两合公司 | Ratcheting tool with fine toothing |
| US20160046013A1 (en) * | 2014-08-14 | 2016-02-18 | Yung-Chih Chen | Ratchet wrench tool set |
| CN105729358A (en) * | 2014-12-10 | 2016-07-06 | 陈家佑 | Ratchet wheel wrench structure capable of improving positioning effect of ratchet |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191018 |
|
| WD01 | Invention patent application deemed withdrawn after publication |